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Table 5 A comparison of the included and excluded cohorts. Using χ2 tests and Wilcoxon rank sum test p values are provided

From: Pretreatment chest x-ray severity and its relation to bacterial burden in smear positive pulmonary tuberculosis

  Included (n = 1354) Excluded (n = 359)  
Baseline characteristic N (%) Median IQR (1st, 3rd quartile) N (%) Median IQR (1st, 3rd quartile) p value
Age (years)   31.6 24.1, 41.9   29.8 24.2, 40.8 0.39
Body mass index (kg/m2)   18.5 16.9, 20.3   18.2 16.3, 20.3 0.06
Sex        0.32
 Male 959(70.8%)    244 (68%)    
 Female 395 (29.2%) 115 (32%)
Ethnicity        1.0
 African 924 (68.2%)    245 (68.2%)    
 Asian 430 (31.8%) 114 (31.8%)
Diabetes        0.30
 Yes 69 (5%)    13 (3.6%)    
 No 1285 (95%) 346 (96.4%)
HIV        0.10
 Yes 104 (7.7%)    18 (5%)    
 No 1250 (92.3%) 341 (95%)
Albumin (g/L)   34 30, 38   35 30, 39.3 0.19
Time to positivity (hours)   117 89, 153 (n = 79 with values) 105 85.5, 140.5 0.10
Cavity        1.0
 Yes 1049 (77.5%)    278 (77.4%)    
 No 305 (22.5%) 81 (22.6%)
Average area affected   18.13 11.3, 27.5   21.88 11.9, 32.5 0.001